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/* Copyright 2015 Baruch Even
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef LIBSCSICMD_READ_DEFECT_DATA_H
#define LIBSCSICMD_READ_DEFECT_DATA_H
#include "scsicmd_utils.h"
#include "scsicmd.h"
#include <stdbool.h>
#include <stdint.h>
const char *read_defect_data_format_to_str(uint8_t fmt);
/* READ DEFECT DATA 10 */
#define READ_DEFECT_DATA_10_MIN_LEN 4
static inline bool read_defect_data_10_is_plist_valid(uint8_t *data)
{
return data[1] & 0x10;
}
static inline bool read_defect_data_10_is_glist_valid(uint8_t *data)
{
return data[1] & 0x08;
}
static inline uint8_t read_defect_data_10_list_format(uint8_t *data)
{
return data[1] & 0x07;
}
static inline uint16_t read_defect_data_10_len(uint8_t *data)
{
return get_uint16(data, 2);
}
/* For READ DEFECT DATA 10 the user may ask for only the header and the data is never really transfered, allow for this seperation in the checks. */
static inline bool read_defect_data_10_hdr_is_valid(uint8_t *data, unsigned data_len)
{
if (data_len < READ_DEFECT_DATA_10_MIN_LEN)
return false;
if ((read_defect_data_10_len(data) % 4) != 0)
return false;
return true;
}
static inline bool read_defect_data_10_is_valid(uint8_t *data, unsigned data_len)
{
if (!read_defect_data_10_hdr_is_valid(data, data_len))
return false;
if ((unsigned)read_defect_data_10_len(data) + READ_DEFECT_DATA_10_MIN_LEN < data_len)
return false;
return true;
}
static inline uint8_t *read_defect_data_10_data(uint8_t *data)
{
return data + READ_DEFECT_DATA_10_MIN_LEN;
}
/* READ DEFECT DATA 10 */
#define READ_DEFECT_DATA_12_MIN_LEN 8
static inline bool read_defect_data_12_is_plist_valid(uint8_t *data)
{
return data[1] & 0x10;
}
static inline bool read_defect_data_12_is_glist_valid(uint8_t *data)
{
return data[1] & 0x08;
}
static inline uint8_t read_defect_data_12_list_format(uint8_t *data)
{
return data[1] & 0x07;
}
static inline uint32_t read_defect_data_12_len(uint8_t *data)
{
return get_uint32(data, 4);
}
/* For READ DEFECT DATA 10 the user may ask for only the header and the data is never really transfered, allow for this seperation in the checks. */
static inline bool read_defect_data_12_hdr_is_valid(uint8_t *data, unsigned data_len)
{
if (data_len < READ_DEFECT_DATA_12_MIN_LEN)
return false;
if ((read_defect_data_12_len(data) % 4) != 0)
return false;
return true;
}
static inline bool read_defect_data_12_is_valid(uint8_t *data, unsigned data_len)
{
if (!read_defect_data_12_hdr_is_valid(data, data_len))
return false;
if (read_defect_data_12_len(data) + READ_DEFECT_DATA_12_MIN_LEN < data_len)
return false;
return true;
}
static inline uint8_t *read_defect_data_12_data(uint8_t *data)
{
return data + READ_DEFECT_DATA_12_MIN_LEN;
}
/* Formats */
/* Short format */
#define FORMAT_ADDRESS_SHORT_LEN 4
static inline uint32_t format_address_short_lba(uint8_t *data)
{
return get_uint32(data, 0);
}
/* Long format */
#define FORMAT_ADDRESS_LONG_LEN 8
static inline uint32_t format_address_long_lba(uint8_t *data)
{
return get_uint64(data, 0);
}
/* Byte from index */
#define FORMAT_ADDRESS_BYTE_FROM_INDEX_LEN 8
static inline uint32_t format_address_byte_from_index_cylinder(uint8_t *data)
{
return get_uint24(data, 0);
}
static inline uint8_t format_address_byte_from_index_head(uint8_t *data)
{
return data[3];
}
static inline uint32_t format_address_byte_from_index_bytes(uint8_t *data)
{
return get_uint32(data, 4);
}
#define FORMAT_ADDRESS_BYTE_FROM_INDEX_ALL_TRACK 0xFFFFFFFF
/* Physical sector format */
#define FORMAT_ADDRESS_PHYSICAL_LEN 8
static inline uint32_t format_address_physical_cylinder(uint8_t *data)
{
return get_uint24(data, 0);
}
static inline uint8_t format_address_physical_head(uint8_t *data)
{
return data[3];
}
static inline uint32_t format_address_physical_sector(uint8_t *data)
{
return get_uint32(data, 4);
}
#define FORMAT_ADDRESS_PHYSICAL_ALL_TRACK 0xFFFFFFFF
static inline unsigned read_defect_data_fmt_len(address_desc_format_e fmt)
{
switch (fmt) {
case ADDRESS_FORMAT_SHORT: return FORMAT_ADDRESS_SHORT_LEN;
case ADDRESS_FORMAT_LONG: return FORMAT_ADDRESS_LONG_LEN;
case ADDRESS_FORMAT_INDEX_OFFSET: return FORMAT_ADDRESS_BYTE_FROM_INDEX_LEN;
case ADDRESS_FORMAT_PHYSICAL: return FORMAT_ADDRESS_PHYSICAL_LEN;
case ADDRESS_FORMAT_VENDOR: return 4;
default: return 0;
}
}
#endif
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